/* 구조·디자인 참고: sidewalkblock.kjipsuri.com (레이아웃·타이포만 참고, 컬러·텍스트·이미지는 자체) */
:root{--primary:#3A2C22;--accent:#C58B4E;--accent-d:#9A6429;--bg:#FBF8F3;--alt:#F4EDE3;--card:#EFE5D6;--dark:#231B15;--text:#33281F;--muted:#756859;--line:#E6DACB;--sh:0 6px 24px rgba(58,44,34,.10);--ease:cubic-bezier(.16,1,.3,1);--hh:72px;--cw:1200px;--sv:120px;--f:'Pretendard',-apple-system,'Apple SD Gothic Neo',sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--hh)}
body{font-family:var(--f);background:var(--bg);color:var(--text);line-height:1.7;letter-spacing:-.01em;word-break:keep-all;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-weight:800;letter-spacing:-.03em;line-height:1.3;color:var(--primary)}
img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}ul{list-style:none}
.section-container{max-width:var(--cw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-d);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent-d)}
.center .eyebrow{justify-content:center}.center{text-align:center}
.section-h2{font-size:clamp(1.7rem,3.2vw,2.6rem)}.section-h2.sm{font-size:1.5rem;margin-bottom:24px}
.section-lead{font-size:.95rem;color:var(--muted);margin-top:14px;max-width:560px}.center .section-lead{margin-inline:auto}
.sec{padding:var(--sv) 0}.sec.alt{background:var(--alt)}
/* header */
#site-header{position:sticky;top:0;z-index:900;background:rgba(251,248,243,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);height:var(--hh)}
.site-header-inner{max-width:var(--cw);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.site-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--primary)}
.site-nav{display:flex;align-items:center;gap:4px}.site-nav a{font-size:.88rem;font-weight:600;padding:8px 12px;border-radius:2px;white-space:nowrap}
.site-nav a:hover{color:var(--accent-d)}.site-nav .nav-cta{background:var(--accent);color:var(--primary);padding:9px 18px;font-weight:700;margin-left:8px}.site-nav .nav-cta:hover{background:var(--accent-d);color:#fff}
.hamburger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.hamburger span{width:22px;height:2px;background:var(--primary)}
.mobile-nav{display:none;position:absolute;top:var(--hh);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 24px 16px;flex-direction:column}
.mobile-nav.open{display:flex}.mobile-nav a{padding:13px 0;border-bottom:1px solid var(--line);font-weight:600}.mobile-nav a.mobile-cta{margin-top:10px;background:var(--accent);text-align:center;border:0;font-weight:700}
/* hero */
.hero{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start;max-width:var(--cw);margin:0 auto;padding:64px 24px 72px}
.hero h1{font-size:clamp(2.4rem,4.6vw,3.6rem);line-height:1.2}.hero .tagline{font-size:clamp(1.2rem,2vw,1.6rem);font-weight:800;color:var(--primary);margin-top:10px;letter-spacing:-.03em}.hero .tagline em{font-style:normal;color:var(--accent-d)}
.hero-lead{color:var(--muted);margin:22px 0 32px;max-width:460px}
.btn{display:inline-block;font-weight:700;font-size:.92rem;padding:14px 26px;border:1px solid transparent;transition:background .2s,transform .2s}
.btn-primary{background:var(--accent);color:var(--primary)}.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);background:#fff}.btn-ghost:hover{border-color:var(--accent-d)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}.tags span{font-size:.72rem;font-weight:600;color:var(--muted);border:1px solid var(--line);padding:6px 14px}
.hero-gallery{display:grid;gap:20px}.hero-gallery img{width:100%;aspect-ratio:3/2;object-fit:cover}.hero-gallery .row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.hero-gallery p{font-size:.78rem;color:var(--muted);margin-top:6px}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:36px 24px;border-block:1px solid var(--line);max-width:var(--cw);margin:0 auto}
.trust b{display:block;font-size:1.15rem;font-weight:800;color:var(--accent-d)}.trust span{font-size:.82rem;color:var(--muted)}
/* pain */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.pain-card{background:#fff;border:1px solid var(--line);padding:32px 28px;border-top:3px solid var(--accent)}.pain-card h3{font-size:1.1rem;margin-bottom:10px}.pain-card p{font-size:.9rem;color:var(--muted)}
.section-header{margin-bottom:48px}
/* services */
.sv-list{display:grid;gap:20px}.sv-card{display:grid;grid-template-columns:1fr 360px;background:var(--bg);border:1px solid var(--line)}
.sv-body{padding:36px}.sv-num{font-size:.75rem;font-weight:700;color:var(--accent-d);letter-spacing:.1em}.sv-body h3{font-size:1.3rem;margin:8px 0 10px}.sv-body p{font-size:.92rem;color:var(--muted)}.sv-body a{display:inline-block;margin-top:14px;font-size:.85rem;font-weight:700;color:var(--accent-d);border-bottom:1px solid}
.sv-photos{display:grid;grid-template-columns:1fr 28px 1fr;align-items:center;background:var(--card);padding:12px}.sv-photos div{text-align:center}.sv-photos img{aspect-ratio:1;object-fit:cover;width:100%}.sv-photos span{font-size:.66rem;font-weight:700;letter-spacing:.06em;color:var(--muted);display:block;margin-top:4px}.sv-arrow{text-align:center;color:var(--accent-d)}
/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}.step{background:#fff;border:1px solid var(--line);padding:24px 20px}.step b{display:inline-block;font-size:.72rem;letter-spacing:.1em;color:var(--accent-d);border-bottom:2px solid var(--accent-d);padding-bottom:4px;margin-bottom:12px}.step h3{font-size:1rem;margin-bottom:8px}.step p{font-size:.85rem;color:var(--muted)}
/* portfolio card (전/후 50:50) */
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.pf-card{display:block;background:#fff;border:1px solid var(--line);transition:box-shadow .25s,transform .25s var(--ease)}.pf-card:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}.cmp figure{position:relative}.cmp img{width:100%;aspect-ratio:1;object-fit:cover}
.tag{position:absolute;top:8px;left:8px;font-size:.66rem;font-weight:700;padding:3px 10px;color:#fff}.tag-b{background:rgba(58,44,34,.75)}.tag-a{background:var(--accent-d)}
.pf-body{padding:18px 20px 22px}.pf-kind{font-size:.68rem;font-weight:700;letter-spacing:.08em;color:var(--accent-d)}.pf-body h3{font-size:1.02rem;margin:6px 0}.pf-body p{font-size:.85rem;color:var(--muted)}
.pf-card.hidden{display:none}.more-wrap{text-align:center;margin-top:36px}.more-btn{background:#fff;border:1px solid var(--primary);font:700 .92rem var(--f);padding:14px 36px;cursor:pointer}.more-btn:hover{background:var(--primary);color:#fff}
/* about(정의) dark */
.about{background:linear-gradient(150deg,#231B15,#2E241C);color:#fff}.about .eyebrow{color:var(--accent)}.about .eyebrow:before{background:var(--accent)}.about h2{color:#fff}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}.about p{color:rgba(255,255,255,.78);font-size:.95rem;margin-bottom:14px}.about .def{font-size:1.1rem;color:#fff;font-weight:600;margin:18px 0}
.about-cards{display:grid;gap:14px}.about-card{border:1px solid rgba(255,255,255,.14);padding:20px 22px}.about-card h3{color:var(--accent);font-size:1rem;margin-bottom:6px}.about-card p{margin:0;font-size:.88rem}
/* faq */
.faq-split{display:grid;grid-template-columns:280px 1fr;gap:64px}
.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative}.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1.02rem;font-weight:700;letter-spacing:-.02em}.faq-item summary:after{content:"+";position:absolute;right:6px;top:16px;font-size:1.5rem;color:var(--accent-d);font-weight:300}.faq-item[open] summary:after{content:"\2212"}
.faq-a{padding:0 0 22px;color:var(--muted);font-size:.95rem}
/* cta banner */
.cta-banner{display:grid;grid-template-columns:1.3fr 1fr;min-height:280px}.cta-l{background:var(--primary);color:#fff;padding:56px 48px}.cta-l h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin:10px 0}.cta-l p{color:rgba(255,255,255,.7);font-size:.92rem;margin-bottom:22px}.cta-l .eyebrow{color:var(--accent)}.cta-l .eyebrow:before{background:var(--accent)}
.cta-r{background:var(--accent);display:flex;align-items:center;justify-content:center;padding:32px}.cta-r .btn{background:var(--primary);color:#fff;padding:18px 36px;font-size:1rem}.cta-r .btn:hover{background:#000}
/* footer */
#site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 32px;font-size:.88rem}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:10px}.footer-col-title{font-size:.8rem;font-weight:700;letter-spacing:.05em;color:rgba(255,255,255,.4);margin-bottom:14px}.footer-links li{margin-bottom:8px}.footer-links a:hover{color:var(--accent)}
.footer-biz{font-style:normal;line-height:1.9;padding-top:24px;color:rgba(255,255,255,.55)}.footer-copy{margin-top:12px;font-size:.78rem;color:rgba(255,255,255,.35)}
/* floating */
#floating-cta{position:fixed;bottom:24px;right:24px;z-index:800;display:flex;align-items:center;gap:10px;background:var(--accent);color:var(--primary);height:52px;width:52px;padding:0 15px;overflow:hidden;white-space:nowrap;font-weight:700;font-size:.9rem;box-shadow:0 8px 28px rgba(197,139,78,.4);transition:width .4s var(--ease)}
#floating-cta svg{flex:none}#floating-cta:hover{width:190px}
#back-to-top{position:fixed;bottom:88px;right:24px;z-index:800;width:40px;height:40px;background:#fff;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s;cursor:pointer;color:var(--primary)}#back-to-top.show{opacity:1;pointer-events:auto}
/* inner pages */
.inner{max-width:880px;margin:0 auto;padding:48px 24px 72px}.crumbs{font-size:.8rem;color:var(--muted);margin-bottom:22px}.crumbs a:hover{color:var(--accent-d)}.crumbs span{margin:0 6px}
.inner h1{font-size:clamp(1.9rem,4vw,2.7rem);margin-bottom:18px}.answer{font-size:1.08rem;font-weight:500;color:var(--text);border-left:3px solid var(--accent);padding:4px 0 4px 18px;margin-bottom:12px}
.updated{font-size:.8rem;color:var(--muted);margin-bottom:28px}
.inner h2{font-size:1.45rem;margin:44px 0 14px}.inner p{margin-bottom:16px}
.inner ul.bul{margin:0 0 18px;padding-left:1.1em}.inner ul.bul li{list-style:disc;margin-bottom:6px}
.spec{border-top:2px solid var(--primary);margin:8px 0 28px}.spec-row{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:.92rem}.spec-row dt{font-weight:700;color:var(--primary)}
.tbl-wrap{overflow-x:auto;margin:18px 0 26px}table{border-collapse:collapse;width:100%;min-width:560px;font-size:.9rem;background:#fff}caption{text-align:left;font-weight:700;padding:0 0 10px;color:var(--primary)}th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}th{background:var(--card);color:var(--primary)}
figure.ph{margin:22px 0}figure.ph img{width:100%;aspect-ratio:1;object-fit:cover;max-height:620px}figure.ph figcaption{font-size:.84rem;color:var(--muted);margin-top:8px}
.quote{background:var(--alt);border-left:3px solid var(--accent-d);padding:22px 26px;margin:30px 0}.quote p{margin:0 0 8px;font-weight:500}.quote cite{font-size:.82rem;color:var(--muted);font-style:normal}
.checklist li{padding:8px 0 8px 28px;position:relative;border-bottom:1px dashed var(--line)}.checklist li:before{content:"";position:absolute;left:4px;top:15px;width:10px;height:6px;border-left:2px solid var(--accent-d);border-bottom:2px solid var(--accent-d);transform:rotate(-45deg)}
.case-link{display:grid;grid-template-columns:200px 1fr;gap:20px;background:#fff;border:1px solid var(--line);margin:28px 0;align-items:center}.case-link .cmp{height:100%}.case-link div.t{padding:16px 20px 16px 0}.case-link b{font-size:.7rem;letter-spacing:.1em;color:var(--accent-d)}.case-link h3{font-size:1.02rem;margin:4px 0}
.related-section{background:var(--alt);padding:56px 0}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.rel-card{background:#fff;border:1px solid var(--line);display:block;transition:box-shadow .25s}.rel-card:hover{box-shadow:var(--sh)}.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.rel-card div{padding:16px 18px 20px}.rel-card h3{font-size:1rem;margin-bottom:4px}.rel-card p{font-size:.84rem;color:var(--muted)}
.steps{counter-reset:s;margin:20px 0}.steps li{counter-increment:s;padding:14px 0 14px 52px;position:relative;border-bottom:1px solid var(--line)}.steps li:before{content:counter(s);position:absolute;left:0;top:12px;width:34px;height:34px;background:var(--accent);color:var(--primary);font-weight:800;display:flex;align-items:center;justify-content:center}
.cbtn-row{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.cbtn-row .btn{padding:18px 32px;font-size:1rem}.btn-dark{background:var(--primary);color:#fff}.btn-dark:hover{background:#000}
@media(max-width:1024px){.hero,.about-inner,.faq-split{grid-template-columns:1fr}.sv-card{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(3,1fr)}.faq-split{gap:28px}}
@media(max-width:768px){:root{--sv:64px}.site-nav{display:none}.hamburger{display:flex}.grid3,.pf-grid,.related-grid{grid-template-columns:1fr}.trust{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:1fr 1fr}.cta-banner{grid-template-columns:1fr}.cta-l{padding:40px 24px}.footer-inner{grid-template-columns:1fr}.hero{padding-top:36px;gap:32px}.spec-row{grid-template-columns:100px 1fr}.case-link{grid-template-columns:1fr}.case-link div.t{padding:0 18px 18px}.sv-body{padding:24px}}

/* 섹션·헤딩 구분 */
.sec+.sec{border-top:1px solid var(--line)}
.sec.alt{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-header .eyebrow{margin-bottom:12px}
.section-h2{padding-bottom:14px;position:relative}.section-h2:after{content:"";display:block;width:44px;height:3px;background:var(--accent);margin-top:14px}.center .section-h2:after{margin-inline:auto}
.about .section-h2:after{background:var(--accent)}
.inner h2{margin:64px 0 18px;padding-top:36px;border-top:1px solid var(--line)}
.inner h2:first-of-type{margin-top:40px}
.inner h3{font-size:1.15rem;margin:30px 0 10px;padding-left:12px;border-left:3px solid var(--accent)}
.inner section+section{margin-top:12px}
.related-section{border-top:1px solid var(--line)}
@media(max-width:768px){.inner h2{margin-top:48px;padding-top:28px}}
.inner .faq-item summary h3{border:0;padding:0;margin:0}
.inner h2{border-top:2px solid var(--line)}

/* 세부(키워드) 페이지 */
.dt-lead{padding:56px 0 64px;background:linear-gradient(180deg,var(--alt),var(--bg))}
.dt-lead h1{font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.2;margin:8px 0 22px}
.dt-lead .answer{max-width:820px;margin-bottom:0}
.dt-lead .cbtn-row{margin-top:30px}
.dt-split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.dt-split.rev .dt-fig{order:-1}.dt-split.solo{grid-template-columns:minmax(0,820px)}
.dt-body p{margin-top:16px;color:var(--text)}.dt-body .section-h2{margin-bottom:6px}
.dt-fig img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.dt-fig figcaption{font-size:.82rem;color:var(--muted);margin-top:10px}
.dt-chk{display:grid;gap:12px;max-width:880px}.dt-chk li{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);padding:18px 22px;display:grid;gap:4px}.dt-chk b{color:var(--primary)}.dt-chk span{font-size:.92rem;color:var(--muted)}
.dt-quote{background:var(--primary);color:#fff;padding:72px 0}.dt-quote blockquote{max-width:820px;margin:0 auto;text-align:center}.dt-quote p{font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:600;line-height:1.7;letter-spacing:-.02em}.dt-quote cite{display:block;margin-top:18px;font-size:.85rem;font-style:normal;color:var(--accent)}
.dt-cmp{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
@media(max-width:768px){.dt-lead{padding:40px 0 44px}.dt-split,.dt-split.solo{grid-template-columns:1fr;gap:28px}.dt-split.rev .dt-fig{order:0}.dt-quote{padding:48px 0}}
.guide-tags{display:flex;flex-wrap:wrap;gap:10px}.guide-tags a{background:#fff;border:1px solid var(--line);padding:12px 20px;font-weight:600;color:var(--primary);transition:background .2s}.guide-tags a:hover{background:var(--accent);color:var(--primary)}
.case-link .cl-img{align-self:stretch;min-height:140px}.case-link .cl-img img{width:100%;height:100%;aspect-ratio:1;object-fit:cover;display:block}